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<font color='#009900'>// Copyright (C) 2009  Davis E. King (davis@dlib.net)
</font><font color='#009900'>// License: Boost Software License   See LICENSE.txt for the full license.
</font><font color='#0000FF'>#ifndef</font> DLIB_DIR_NAV_EXTENSIONs_H_
<font color='#0000FF'>#define</font> DLIB_DIR_NAV_EXTENSIONs_H_

<font color='#0000FF'>#include</font> <font color='#5555FF'>&lt;</font>string<font color='#5555FF'>&gt;</font>
<font color='#0000FF'>#include</font> <font color='#5555FF'>&lt;</font>vector<font color='#5555FF'>&gt;</font>
<font color='#0000FF'>#include</font> <font color='#5555FF'>&lt;</font>algorithm<font color='#5555FF'>&gt;</font>
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='dir_nav_extensions_abstract.h.html'>dir_nav_extensions_abstract.h</a>"
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../dir_nav.h.html'>../dir_nav.h</a>"
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../string.h.html'>../string.h</a>"

<font color='#0000FF'>namespace</font> dlib
<b>{</b>

<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
    <font color='#0000FF'><u>bool</u></font> <b><a name='file_exists'></a>file_exists</b> <font face='Lucida Console'>(</font>
        <font color='#0000FF'>const</font> std::string<font color='#5555FF'>&amp;</font> filename
    <font face='Lucida Console'>)</font>;

<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
    <font color='#0000FF'>namespace</font> implementation_details
    <b>{</b>
        <font color='#0000FF'><u>void</u></font> <b><a name='get_all_sub_dirs'></a>get_all_sub_dirs</b> <font face='Lucida Console'>(</font>
            <font color='#0000FF'>const</font> directory<font color='#5555FF'>&amp;</font> top_of_tree,
            <font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> max_depth,
            std::vector<font color='#5555FF'>&lt;</font>directory<font color='#5555FF'>&gt;</font><font color='#5555FF'>&amp;</font> result,
            std::vector<font color='#5555FF'>&lt;</font>directory<font color='#5555FF'>&gt;</font><font color='#5555FF'>&amp;</font> temp
        <font face='Lucida Console'>)</font>;
    <b>}</b>

<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
    <font color='#0000FF'>template</font> <font color='#5555FF'>&lt;</font><font color='#0000FF'>typename</font> T<font color='#5555FF'>&gt;</font>
    <font color='#0000FF'>const</font> std::vector<font color='#5555FF'>&lt;</font>file<font color='#5555FF'>&gt;</font> <b><a name='get_files_in_directory_tree'></a>get_files_in_directory_tree</b> <font face='Lucida Console'>(</font>
        <font color='#0000FF'>const</font> directory<font color='#5555FF'>&amp;</font> top_of_tree,
        <font color='#0000FF'>const</font> T<font color='#5555FF'>&amp;</font> add_file,
        <font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> max_depth <font color='#5555FF'>=</font> <font color='#979000'>30</font>
    <font face='Lucida Console'>)</font>
    <b>{</b>
        std::vector<font color='#5555FF'>&lt;</font>file<font color='#5555FF'>&gt;</font> result, temp;
        std::vector<font color='#5555FF'>&lt;</font>directory<font color='#5555FF'>&gt;</font> dirs, dirs_temp;
        dirs.<font color='#BB00BB'>push_back</font><font face='Lucida Console'>(</font>top_of_tree<font face='Lucida Console'>)</font>;

        <font color='#009900'>// get all the directories in the tree first
</font>        implementation_details::<font color='#BB00BB'>get_all_sub_dirs</font><font face='Lucida Console'>(</font>top_of_tree, max_depth, dirs, dirs_temp<font face='Lucida Console'>)</font>;

        <font color='#009900'>// now just loop over all the directories and pick out the files we want to keep
</font>        <font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> d <font color='#5555FF'>=</font> <font color='#979000'>0</font>; d <font color='#5555FF'>&lt;</font> dirs.<font color='#BB00BB'>size</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>d<font face='Lucida Console'>)</font>
        <b>{</b>
            dirs[d].<font color='#BB00BB'>get_files</font><font face='Lucida Console'>(</font>temp<font face='Lucida Console'>)</font>;

            <font color='#009900'>// pick out the members of temp that we should keep
</font>            <font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> i <font color='#5555FF'>=</font> <font color='#979000'>0</font>; i <font color='#5555FF'>&lt;</font> temp.<font color='#BB00BB'>size</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>i<font face='Lucida Console'>)</font>
            <b>{</b>
                <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font><font color='#BB00BB'>add_file</font><font face='Lucida Console'>(</font>temp[i]<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>
                    result.<font color='#BB00BB'>push_back</font><font face='Lucida Console'>(</font>temp[i]<font face='Lucida Console'>)</font>;
            <b>}</b>
        <b>}</b>

        <font color='#0000FF'>return</font> result;
    <b>}</b>

<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
    <font color='#0000FF'>class</font> <b><a name='match_ending'></a>match_ending</b>
    <b>{</b>

    <font color='#0000FF'>public</font>:
        <b><a name='match_ending'></a>match_ending</b> <font face='Lucida Console'>(</font> 
            <font color='#0000FF'>const</font> std::string<font color='#5555FF'>&amp;</font> ending_
        <font face='Lucida Console'>)</font> : ending<font face='Lucida Console'>(</font>ending_<font face='Lucida Console'>)</font> <b>{</b><b>}</b>

        <font color='#0000FF'><u>bool</u></font> <b><a name='operator'></a>operator</b><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font face='Lucida Console'>(</font>
            <font color='#0000FF'>const</font> file<font color='#5555FF'>&amp;</font> f
        <font face='Lucida Console'>)</font> <font color='#0000FF'>const</font>
        <b>{</b>
            <font color='#009900'>// if the ending is bigger than f's name then it obviously doesn't match
</font>            <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>ending.<font color='#BB00BB'>size</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'>&gt;</font> f.<font color='#BB00BB'>name</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>.<font color='#BB00BB'>size</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>
                <font color='#0000FF'>return</font> <font color='#979000'>false</font>;

            <font color='#009900'>// now check if the actual characters that make up the end of the file name 
</font>            <font color='#009900'>// matches what is in ending.
</font>            <font color='#0000FF'>return</font> std::<font color='#BB00BB'>equal</font><font face='Lucida Console'>(</font>ending.<font color='#BB00BB'>begin</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>, ending.<font color='#BB00BB'>end</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>, f.<font color='#BB00BB'>name</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>.<font color='#BB00BB'>end</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font>ending.<font color='#BB00BB'>size</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>;
        <b>}</b>

    <font color='#0000FF'>private</font>:
        std::string ending;
    <b>}</b>;

<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
    <font color='#0000FF'>class</font> <b><a name='match_endings'></a>match_endings</b>
    <b>{</b>

    <font color='#0000FF'>public</font>:
        <b><a name='match_endings'></a>match_endings</b> <font face='Lucida Console'>(</font> 
            <font color='#0000FF'>const</font> std::string<font color='#5555FF'>&amp;</font> endings_
        <font face='Lucida Console'>)</font> 
        <b>{</b>
            <font color='#0000FF'>const</font> std::vector<font color='#5555FF'>&lt;</font>std::string<font color='#5555FF'>&gt;</font><font color='#5555FF'>&amp;</font> s <font color='#5555FF'>=</font> <font color='#BB00BB'>split</font><font face='Lucida Console'>(</font>endings_<font face='Lucida Console'>)</font>;
            <font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> i <font color='#5555FF'>=</font> <font color='#979000'>0</font>; i <font color='#5555FF'>&lt;</font> s.<font color='#BB00BB'>size</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>i<font face='Lucida Console'>)</font>
            <b>{</b>
                endings.<font color='#BB00BB'>push_back</font><font face='Lucida Console'>(</font><font color='#BB00BB'>match_ending</font><font face='Lucida Console'>(</font>s[i]<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>;
            <b>}</b>
        <b>}</b>

        <font color='#0000FF'><u>bool</u></font> <b><a name='operator'></a>operator</b><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font face='Lucida Console'>(</font>
            <font color='#0000FF'>const</font> file<font color='#5555FF'>&amp;</font> f
        <font face='Lucida Console'>)</font> <font color='#0000FF'>const</font>
        <b>{</b>
            <font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> i <font color='#5555FF'>=</font> <font color='#979000'>0</font>; i <font color='#5555FF'>&lt;</font> endings.<font color='#BB00BB'>size</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>i<font face='Lucida Console'>)</font>
            <b>{</b>
                <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>endings[i]<font face='Lucida Console'>(</font>f<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>
                    <font color='#0000FF'>return</font> <font color='#979000'>true</font>;
            <b>}</b>

            <font color='#0000FF'>return</font> <font color='#979000'>false</font>;
        <b>}</b>

    <font color='#0000FF'>private</font>:
        std::vector<font color='#5555FF'>&lt;</font>match_ending<font color='#5555FF'>&gt;</font> endings;
    <b>}</b>;

<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
    <font color='#0000FF'>class</font> <b><a name='match_all'></a>match_all</b>
    <b>{</b>
    <font color='#0000FF'>public</font>:
        <font color='#0000FF'><u>bool</u></font> <b><a name='operator'></a>operator</b><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font face='Lucida Console'>(</font>
            <font color='#0000FF'>const</font> file<font color='#5555FF'>&amp;</font> 
        <font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> <b>{</b> <font color='#0000FF'>return</font> <font color='#979000'>true</font>; <b>}</b>
    <b>}</b>;

<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
    directory <b><a name='get_parent_directory'></a>get_parent_directory</b> <font face='Lucida Console'>(</font>
        <font color='#0000FF'>const</font> directory<font color='#5555FF'>&amp;</font> dir
    <font face='Lucida Console'>)</font>;

<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
    directory <b><a name='get_parent_directory'></a>get_parent_directory</b> <font face='Lucida Console'>(</font>
        <font color='#0000FF'>const</font> file<font color='#5555FF'>&amp;</font> f
    <font face='Lucida Console'>)</font>;

<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
<b>}</b>

<font color='#0000FF'>#ifdef</font> NO_MAKEFILE
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='dir_nav_extensions.cpp.html'>dir_nav_extensions.cpp</a>"
<font color='#0000FF'>#endif</font>

<font color='#0000FF'>#endif</font> <font color='#009900'>// DLIB_DIR_NAV_EXTENSIONs_H_
</font>

</pre></body></html>